Hanna Instruments HI774-25 Phosphate Ultra Low Range Reagents are replacement reagents designed for use with the Hanna HI774 Phosphate ULR Checker. These pre-measured reagent packets provide a convenient and reliable way to continue monitoring phosphate levels in saltwater and reef aquariums.

Ideal for reef hobbyists who regularly test phosphate levels to maintain stable water chemistry and support healthy coral growth.

Key Features

• Replacement reagents for the Hanna HI774 Phosphate ULR Checker

• Includes 25 individually packaged reagent packets

• Pre-measured packets for convenient and consistent testing

• Designed for ultra-low-range phosphate testing in marine aquariums

• Helps monitor phosphate levels in SPS and other reef aquariums

• Easy to use with the Hanna HI774 digital colorimeter

Specifications

• Model: HI774-25

• Parameter: Phosphate (PO4)

• Reagent Type: Powder Reagent Packets

• Quantity: 25 Packets (25 Tests)

• Compatible Checker: Hanna HI774 Phosphate ULR Checker

• Aquarium Compatibility: Saltwater & Reef Aquariums

• Brand: Hanna Instruments

Directions for Use

Use one reagent packet per test with the Hanna HI774 Phosphate ULR Checker. Follow the instrument's instructions for sample preparation, reagent mixing, and measurement.

For accurate results, always use clean sample cuvettes and handle reagents according to the manufacturer's instructions.

Compatible Checker

Designed for use with the Hanna HI774 Phosphate ULR Checker.

Shop Hanna HI774 Phosphate ULR Checker

What's Included

• 25 × Hanna HI774-25 Phosphate ULR Reagent Packets